CVE-2017-5254 : Exploit Details and Defense Strategies

Cambium Networks ePMP firmware versions prior to 3.5 allowed non-administrative users to change passwords for other accounts, including admin, by bypassing client-side protection.

Understanding CVE-2017-5254

This CVE entry highlights a vulnerability in Cambium Networks ePMP firmware that could be exploited by non-administrative users to modify passwords for various accounts.

What is CVE-2017-5254?

Prior to version 3.5 of Cambium Networks ePMP firmware, non-administrative users could alter passwords for accounts like admin by circumventing client-side protection.

The Impact of CVE-2017-5254

The vulnerability allowed unauthorized users to manipulate account passwords, potentially leading to unauthorized access and compromise of the system's security.

Technical Details of CVE-2017-5254

This section delves into the specific technical aspects of the CVE.

Vulnerability Description

In ePMP firmware versions before 3.5, non-administrative users 'installer' and 'home' could change passwords for other accounts, including admin, by disabling client-side protection.

Affected Systems and Versions

Product: ePMP
Vendor: Cambium Networks
Versions Affected: 3.5 and prior

Exploitation Mechanism

Non-administrative users exploited a vulnerability to modify passwords for various accounts after bypassing client-side protection mechanisms.

Mitigation and Prevention

Protecting systems from CVE-2017-5254 requires immediate actions and long-term security practices.

Immediate Steps to Take

Upgrade to the latest ePMP firmware version to mitigate the vulnerability.
Implement strong password policies and restrict access to critical accounts.

Long-Term Security Practices

Regularly monitor and audit user account activities to detect unauthorized changes.
Conduct security training to educate users on best practices for password management.
Employ multi-factor authentication to enhance access control.

Patching and Updates

Stay informed about security advisories from Cambium Networks and apply patches promptly to address known vulnerabilities.